Into the 2020, a logical remark and you can meta-research recommended that concept of sexual precocity would be lso are-checked out to have sexual development in get better globally and you may updated when you look at the at least specific nations (5)
A more impressive quantity of girls was in fact investigated when you look at the metropolitan than in rural section, as well as 2 knowledge said the fresh new average chronilogical age of B2 in metropolitan and you can outlying portion (12, 25). 26 years within the girls from cities, and ages off rural portion. It review contains a lot more unmarried-heart degree than simply multicenter studies. The greatest quantity of unmarried-center and you may multicenter populations was in fact off Beijing and you will 9 cities, therefore the lowest average ages of B2 from unmarried-cardiovascular system and you will multicenter knowledge are 8.26 and you will 9.18 many years, respectively.
All studies provided fat and you may obese girls, and just that article presented brand new probabilistic regression regarding breast stage to own obese and you will overweight girls (12).